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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script language="javascript">

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<body>
<h1>删除和替换节点</h1>
	<div id="di">
		<p>第一行文本</p>
		<p>第二行文本</p>
		<p>第三行文本</p>
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<form>
	<input type="button" value="删除" onclick="delNode();" />	
</form>
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